Parrots: A Guide to Parrots of the World As she explains

As she explains

birds have been widely used as bioindicators in urban areas

In this monograph the dean of Alaska ornithologists presents various features of taiga (boreal forest) habitats that are associated with the presence (or absence) and the densities of some of the small land birds that live in the subarctic

but with worldwide significance

the book is illustrated by thirty-nine color plates

Parrots: A Guide to Parrots of the World As she explainsAs new hardcover with dust jacket. This is the first book created primarily for the field identification of parrots, one of the most familiar and colorful groups of birds. From the mighty macaws to the diminutive pygmy parrots, the 350 species of parrots include cockatoos, parakeets, lovebirds, and Budgerigar. It also provides up to date information on the conservation status of those species of parrots that are threatened or endangered.